Juneau
December
Weather in Juneau for December 2025
Your guide to Juneau weather in December - trends and predictions
Juneau is transformed into a snow paradise in December, with more than 20 snowy days on average.
In general, the average temperature in Juneau at the beginning of December is -0.6 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of -2.7 °F by the end of December.
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Snow Forecast ❄️
Temperatures
More
2
Dry days
1
Rainy days
28
Snow days
-1°/-5°
Temperatures
12 km/h
Avg max wind
93 %
Avg humidity
Juneau in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  -5° | 2  -3° | 3 -1° | 4  1° | 5  2° | 6  2° | 7 -0° |
| 8 -0° | 9 0° | 10 -0° | 11 0° | 12 0° | 13 -1° | 14 -1° |
| 15 -5° | 16 -6° | 17 -5° | 18  -6° | 19 -7° | 20 -2° | 21 0° |
| 22 -1° | 23 -0° | 24 0° | 25 -0° | 26 -0° | 27 -4° | 28 -2° |
| 29 -3° | 30  -4° | 31 -6° |
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Temperatures trend during December in Juneau
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 | Moderate snow | -5° /-12° | 18.1 mm | 13.1 cm | |
| Dec. 2 | Patchy light snow | -3° /-9° | 23.1 mm | 12.2 cm | |
| Dec. 3 | Moderate snow | -1° /-4° | 14.3 mm | 0.6 cm | |
| Dec. 4 | Heavy snow | 1° /-2° | 15.9 mm | 7.4 cm | |
| Dec. 5 | Moderate or heavy snow with thunder | 2° /-2° | 38.7 mm | 16.4 cm | |
| Dec. 6 | Moderate or heavy snow showers | 2° /-1° | 26.2 mm | 11.1 cm | |
| Dec. 7 | Moderate or heavy snow showers | 0° /-3° | 5.3 mm | 4.5 cm | |
| Dec. 8 | Moderate or heavy snow with thunder | 0° /-4° | 14.6 mm | 12.4 cm | |
| Dec. 9 | Heavy snow | 0° /-4° | 9.7 mm | 8.2 cm | |
| Dec. 10 | Moderate or heavy snow showers | 0° /-4° | 7.4 mm | 3.5 cm | |
| Dec. 11 | Heavy snow | 0° /-4° | 14.8 mm | 9.3 cm | |
| Dec. 12 | Heavy snow | 0° /-2° | 35.8 mm | 29.6 cm | |
| Dec. 13 | Moderate or heavy snow with thunder | -1° /-7° | 11 mm | 9.3 cm | |
| Dec. 14 | Heavy snow | -1° /-6° | 11.7 mm | 9.9 cm | |
| Dec. 15 | Moderate or heavy snow showers | -5° /-9° | 12 mm | 10.1 cm | |
| Dec. 16 | Heavy snow | -6° /-8° | 2.7 mm | 2.3 cm | |
| Dec. 17 | Moderate or heavy snow showers | -5° /-9° | 12.4 mm | 10.5 cm | |
| Dec. 18 | Overcast | -6° /-11° | 0.2 mm | 0.2 cm | |
| Dec. 19 | Overcast | -7° /-12° | 0.2 mm | 0.2 cm | |
| Dec. 20 | Heavy snow | -2° /-7° | 12.3 mm | 10.3 cm | |
| Dec. 21 | Moderate or heavy snow showers | 0° /-4° | 4.7 mm | 3.8 cm | |
| Dec. 22 | Moderate or heavy snow with thunder | -1° /-6° | 5.6 mm | 2.3 cm | |
| Dec. 23 | Heavy snow | 0° /-5° | 21.5 mm | 15.2 cm | |
| Dec. 24 | Heavy snow | 0° /-4° | 28.6 mm | 23.4 cm | |
| Dec. 25 | Heavy snow | 0° /-5° | 16.4 mm | 12.9 cm | |
| Dec. 26 | Moderate or heavy snow showers | 0° /-6° | 16.4 mm | 13 cm | |
| Dec. 27 | Overcast | -4° /-8° | 1 mm | 0.7 cm | |
| Dec. 28 | Heavy snow | -2° /-7° | 8.2 mm | 6 cm | |
| Dec. 29 | Heavy snow | -3° /-7° | 10.1 mm | 2.1 cm | |
| Dec. 30 | Light freezing rain | -4° /-7° | 13.5 mm | 0 cm | |
| Dec. 31 | Light snow | -6° /-10° | 0.5 mm | 0.4 cm | |
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Important Notice
Our weather forecast for Juneau in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Juneau forecast closer to your planned date for the most up-to-date weather information.
Juneau in December - FAQ
What are the expected maximum and minimum temperatures in Juneau during December?
Brace for cold days with temperatures not exceeding -1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Juneau during December?
Significant rainfall exceeding 537.3 mm is expected in Juneau during December, occurring over more than 1 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Juneau in December 2025?
Juneau experiences an average snowfall of 360.435 cm during December, occurring over 28 days.
What are the typical wind conditions in Juneau during December?
The average wind speed in Juneau during December is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
Juneau snow forecast December 2025
Track daily snowfall levels and discover Juneau’s snowy potential this December ❄️
December rainfall patterns in Juneau
Explore the daily rainfall trends and prepare for Juneaus December weather 💧
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